export interface Basemap {
    id: string;
    title: string;
    thumbnail: string;
    selected?: boolean;
    bingKey?: string;
    mapboxKey?: string;
    url?: string[];
    type: 'OPENSTREETMAP'
        |'TIANDITU_ROAD'|'TIANDITU_SATELLITE'|'TIANDITU_TERRAIN'
        |'BINGMAP_SATELLITE'|'BINGMAP_ROAD'
        |'XYZ';
    init?: Function;
}